De Grey River

{{Short description|River in Western Australia}}

{{Use dmy dates|date=March 2015}}

{{Use Australian English|date=March 2015}}

{{Infobox river

| name = De Grey

| image =

| mapframe = yes

| mapframe-zoom = 4

| source1_location = confluence of Nullagine River and Oakover River

| mouth_location = Breaker Inlet, Indian Ocean

| subdivision_type1 = Country

| subdivision_name1 = Australia

| length_km = 193

| length_ref = {{LandInfo WA|r|D|3 September 2011}}

| source1_elevation = {{convert|129|m|ft|0}}{{cite web|url=http://maps.bonzle.com/c/a?a=p&cmd=sp&p=211611&st=&s=De%20Grey|title= Bonzle Digital Atlas – Map of De Grey River|year= 2009|access-date= 3 February 2009}}

| mouth_elevation = sea level

| discharge1_avg = July av {{convert| 3.9|GL/yr|m3/s cuft/s|abbr=on}}{{cite web|url=http://adl.brs.gov.au/water2010/pdf/monthly_reports/awap_710_report.pdf |title=Australian Government - Bureau of Meteorology - De Grey River Basin |year= 2008 |access-date= 3 February 2009 |url-status=dead |archive-url=https://web.archive.org/web/20091029170515/http://adl.brs.gov.au/water2010/pdf/monthly_reports/awap_710_report.pdf |archive-date= 29 October 2009 |df=dmy }}

| basin_size_km2 = 56720

| basin_size_ref = {{cite web|url=http://www.anra.gov.au/topics/land/carbon/wa/basin-de-grey-river.html |title=Australian Natural Resources Atlas – De Grey River |year= 2007 |access-date= 3 February 2009 |url-status=dead |archive-url=https://web.archive.org/web/20080804074951/http://www.anra.gov.au/topics/land/carbon/wa/basin-de-grey-river.html |archive-date= 4 August 2008 |df=dmy }}

}}

The De Grey River is a river located in the Pilbara region of Western Australia. It was named on 16 August 1861 by the explorer and surveyor Francis Gregory after Thomas de Grey, 2nd Earl de Grey, who was at the time the president of the Royal Geographical Society.{{cite news|title=Mr. F.T. Gregory's Expedition to the N. W. Coast of Australia|url=http://trove.nla.gov.au/newspaper/article/2933556|access-date=2 June 2017|work=The Perth Gazette and Independent Journal of Politics and News|date=29 November 1861|page=3}}

The river rises south of Callawa at the confluence of the Oakover and the Nullagine rivers and flows in a west-north-westerly direction eventually discharging into the Indian Ocean via Breaker Inlet about 80 km north-east of Port Hedland.

Its stream bed is 100 to 130 metres wide, dry throughout most of the year {{Citation needed|date=February 2008}}. The shore's land is rich in grass and fertile, featuring trees.

The river flows through many semi-permanent pools of water on the way to the coast, including Yukerakine Pool, Muccanoo Pool, Talyirina Pool, Wardoomoondener Pool and Triangle Pool.

The river has eleven tributaries, including the Oakover River, Nullagine River, Coongan River, East Strelley River, Shaw River, Miningarra Creek, Egg Creek and Kookenyia Creek.